Biktarvy is a prescription medication used to treat HIV-1 infection in adults. It contains three active ingredients: bictegravir, emtricitabine, and tenofovir alafenamide. These drugs work together to prevent the virus from multiplying and spreading in the body. Biktarvy is taken once a day with Biktarvy or without food. Common side effects may include headache, nausea, and diarrhea. It is important to take Biktarvy as directed by your healthcare provider to achieve the best possible outcomes in managing your HIV-1 infection.